Arnaud Pouppeville | The Scalable Architect
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Data Engineering

A collection of 2 posts
Medallion Architecture in Azure Databricks: The Practical Guide
Data Engineering

Medallion Architecture in Azure Databricks: The Practical Guide

A practical guide to Medallion Architecture in Azure Databricks — what Bronze, Silver, and Gold layers do, what they cost, and when skipping a layer makes sense.
20 Feb 2026 7 min read
How Z-Order Cut My Databricks ETL Time in Half
Data Engineering

How Z-Order Cut My Databricks ETL Time in Half

Z-Order cut my Databricks ETL from 1m40s to 50s per tenant. Here's why partitioning failed and how Z-Order works like a clustered index for Delta Lake.
20 Feb 2026 6 min read
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